RAGUSA ROBERT P
SEC insider (Form 3/4/5 filer). CIK 0001222644. Director at Alamar Biosciences, Inc. (ALMR) and 2 other issuers. 22 reported Form 4/5 transactions since Sep 2024; latest on Sep 1, 2026. Located in FREMONT, CA.
Companies RAGUSA ROBERT P has filed insider reports for
- Alamar Biosciences, Inc. (ALMR): Director
- GRAIL, Inc. (GRAL): Director, Officer, Chief Executive Officer
- Twist Bioscience Corp (TWST): Director
RAGUSA ROBERT P
CIK: 0001222644
Transaction Breakdown
Open Market Buys (P)0 (0.0%)
High conviction signal
Open Market Sales (S)16 (72.7%)
Position reduction
Option Exercises (M)0 (0.0%)
Derivative conversions
Awards (A)6 (27.3%)
Compensation grants
Other (G, F, J, C, D, …)0 (0.0%)
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Discretionary Trading P&L
Holdings
Transaction History (22 total)
- Sep 1, 2026ALMR
Alamar Biosciences, Inc.
AwardDirect5.7K shares- - Apr 8, 2026GRAL
GRAIL, Inc.
SaleDirect123.5K shares at avg. $49.92$6.2M - Mar 9, 2026GRAL
GRAIL, Inc.
SaleDirect7.2K shares at avg. $47.93$345K - Mar 9, 2026GRAL
GRAIL, Inc.
SaleDirect258 shares at avg. $46.73$12K - Mar 5, 2026GRAL
GRAIL, Inc.
SaleDirect980 shares at avg. $53.01$52K - Mar 2, 2026GRAL
GRAIL, Inc.
SaleDirect1.7K shares at avg. $51.84$89K - Mar 2, 2026GRAL
GRAIL, Inc.
SaleDirect35.8K shares at avg. $50.09$1.8M - Feb 5, 2026TWST
Twist Bioscience Corp
AwardDirect5.1K shares- - Dec 3, 2025GRAL
GRAIL, Inc.
SaleDirect8.2K shares at avg. $96.22$792K - Dec 3, 2025GRAL
GRAIL, Inc.
SaleDirect15.4K shares at avg. $95.28$1.5M
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Sep 1, 2026 |  ALMR Alamar Biosciences, Inc. | Award | 5,686 | - | $0 | Direct |
| Apr 8, 2026 |  GRAL GRAIL, Inc. | Sale | 123,502 | $49.92 | $6,164,923 | Direct |
| Mar 9, 2026 | GRAL GRAIL, Inc. | Sale | 7,203 | $47.93 | $345,240 | Direct |
| Mar 9, 2026 | GRAL GRAIL, Inc. | Sale | 258 | $46.73 | $12,056 | Direct |
| Mar 5, 2026 | GRAL GRAIL, Inc. | Sale | 980 | $53.01 | $51,950 | Direct |
| Mar 2, 2026 | GRAL GRAIL, Inc. | Sale | 1,717 | $51.84 | $89,014 | Direct |
| Mar 2, 2026 | GRAL GRAIL, Inc. | Sale | 35,787 | $50.09 | $1,792,403 | Direct |
| Feb 5, 2026 |  TWST Twist Bioscience Corp | Award | 5,095 | - | $0 | Direct |
| Dec 3, 2025 | GRAL GRAIL, Inc. | Sale | 8,233 | $96.22 | $792,152 | Direct |
| Dec 3, 2025 | GRAL GRAIL, Inc. | Sale | 15,356 | $95.28 | $1,463,092 | Direct |
1-10 of 22 transactions